Index: trunk/ippScripts/scripts/detrend_reject_imfile.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_reject_imfile.pl	(revision 9286)
+++ trunk/ippScripts/scripts/detrend_reject_imfile.pl	(revision 9337)
@@ -45,4 +45,5 @@
     'bias' => 0,		# Bias should be zero
     'dark' => 0,		# Dark should be zero
+    'shutter' => undef,		# Shutter could be anything (depends on exposure level)
     'flat' => undef		# Flat could be anything (depends on exposure level)
     };
@@ -53,4 +54,5 @@
     'bias' => 5,		# Should be fairly flat; some CRs
     'dark' => 10,		# Lots of CRs
+    'shutter' => undef,		# Can't define expected value (depends on exposure level)
     'flat' => undef		# Can't define expected value (depends on exposure level)
     };
@@ -61,4 +63,5 @@
     'bias' => 10,		# Should be fairly flat; some CRs
     'dark' => 100,		# Lots of CRs
+    'shutter' => undef,		# Can be significant structure
     'flat' => 1000		# Stars and galaxies
     };
@@ -69,4 +72,5 @@
     'bias' => 10,		# Should be little variation between chips
     'dark' => 100,		# Could be some glow on some chips
+    'shutter' => undef,		# Can't define expected value (depends on exposure level)
     'flat' => undef		# Can't define expected value (depends on exposure level)
     };
@@ -77,4 +81,5 @@
     'bias' => 10,		# Should be little variation between chips
     'dark' => 100,		# Could be some glow on some chips
+    'shutter' => undef,		# Can be significant structure
     'flat' => 500		# Could be features on some chips, but all should be about the same
     };